diff --git a/manifests/backend/dellemc_vmax_iscsi.pp b/manifests/backend/dellemc_powermax_iscsi.pp
similarity index 79%
rename from manifests/backend/dellemc_vmax_iscsi.pp
rename to manifests/backend/dellemc_powermax_iscsi.pp
index 12045c19..de0f8a7e 100644
--- a/manifests/backend/dellemc_vmax_iscsi.pp
+++ b/manifests/backend/dellemc_powermax_iscsi.pp
@@ -1,7 +1,7 @@
 #
-# == Define: cinder::backend::dellemc_vmax_iscsi
+# == Define: cinder::backend::dellemc_powermax_iscsi
 #
-# Setup Cinder to use the Dell EMC VMAX ISCSI Driver
+# Setup Cinder to use the Dell EMC PowerMax ISCSI Driver
 # Compatible for multiple backends
 #
 # == Parameters
@@ -17,11 +17,11 @@
 #   Defaults to $::os_service_default.
 #
 # [*cinder_emc_config_file*]
-#   (required) File path of Dell EMC VMAX ISCSI specific configuration file.
+#   (required) File path of Dell EMC PowerMax ISCSI specific configuration file.
 #
 # [*volume_driver*]
-#   (optional) The Dell EMC VMAX ISCSI Driver
-#   Defaults to cinder.volume.drivers.dell_emc.vmax.iscsi.VMAXISCSIDriver
+#   (optional) The Dell EMC PowerMax ISCSI Driver
+#   Defaults to cinder.volume.drivers.dell_emc.powermax.iscsi.PowerMaxISCSIDriver
 #
 # [*manage_volume_type*]
 #   (Optional) Whether or not manage Cinder Volume type.
@@ -33,14 +33,14 @@
 #   (optional) Hash of extra options to pass to the backend stanza
 #   Defaults to: {}
 #   Example :
-#     { 'dellemc_vmax_iscsi_backend/param1' => { 'value' => value1 } }#
+#     { 'dellemc_powermax_iscsi_backend/param1' => { 'value' => value1 } }#
 #
-define cinder::backend::dellemc_vmax_iscsi (
+define cinder::backend::dellemc_powermax_iscsi (
   $cinder_emc_config_file,
   $volume_backend_name           = $name,
   $backend_availability_zone     = $::os_service_default,
   $extra_options                 = {},
-  $volume_driver                 = 'cinder.volume.drivers.dell_emc.vmax.iscsi.VMAXISCSIDriver',
+  $volume_driver                 = 'cinder.volume.drivers.dell_emc.powermax.iscsi.PowerMaxISCSIDriver',
   $manage_volume_type            = false,
 ) {
 
diff --git a/releasenotes/notes/powermax-rebrand-driver-d428e372280c44e5.yaml b/releasenotes/notes/powermax-rebrand-driver-d428e372280c44e5.yaml
new file mode 100644
index 00000000..13360a19
--- /dev/null
+++ b/releasenotes/notes/powermax-rebrand-driver-d428e372280c44e5.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    PowerMax driver - 'PowerMax' is to replace 'VMAX' in release notes,
+    online documentation, directory structure and driver name.
diff --git a/spec/defines/cinder_backend_dellemc_powermax_spec.rb b/spec/defines/cinder_backend_dellemc_powermax_spec.rb
new file mode 100644
index 00000000..0c9fd057
--- /dev/null
+++ b/spec/defines/cinder_backend_dellemc_powermax_spec.rb
@@ -0,0 +1,65 @@
+require 'spec_helper'
+
+describe 'cinder::backend::dellemc_powermax_iscsi' do
+  let (:title) { 'dellemc_powermax_iscsi' }
+
+  let :req_params do
+    {
+      :cinder_emc_config_file => '/etc/cinder/cinder_emc_config_CONF_GROUP_ISCSI.xml',
+      :volume_backend_name    => 'dellemc_powermax_iscsi',
+    }
+  end
+
+  let :params do
+    req_params
+  end
+
+  shared_examples 'cinder::backend::dellemc_powermax_iscsi' do
+    context 'dell emc powermax iscsi volume driver' do
+      it {
+        should contain_package('pywbem').with(:ensure => :present)
+        should contain_cinder_config('dellemc_powermax_iscsi/volume_driver').with_value('cinder.volume.drivers.dell_emc.powermax.iscsi.PowerMaxISCSIDriver')
+        should contain_cinder_config('dellemc_powermax_iscsi/cinder_emc_config_file').with_value('/etc/cinder/cinder_emc_config_CONF_GROUP_ISCSI.xml')
+      }
+    end
+
+    context 'dell emc powermax iscsi backend overriding some parameters' do
+      before :each do
+        params.merge!({
+         :backend_availability_zone => 'my_zone',
+         :manage_volume_type        => true,
+        })
+      end
+
+      it {
+        should contain_cinder_config('dellemc_powermax_iscsi/cinder_emc_config_file').with_value('/etc/cinder/cinder_emc_config_CONF_GROUP_ISCSI.xml')
+        should contain_cinder_config('dellemc_powermax_iscsi/backend_availability_zone').with_value('my_zone')
+      }
+
+      it { should contain_cinder_type('dellemc_powermax_iscsi').with(
+        :ensure     => 'present',
+        :properties => ['volume_backend_name=dellemc_powermax_iscsi']
+      )}
+    end
+
+    context 'dell emc powermax iscsi backend with additional configuration' do
+      before :each do
+        params.merge!( :extra_options => {'dellemc_powermax_iscsi/param1' => {'value' => 'value1'}} )
+      end
+
+      it { should contain_cinder_config('dellemc_powermax_iscsi/param1').with_value('value1') }
+    end
+  end
+
+  on_supported_os({
+    :supported_os => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge!(OSDefaults.get_facts())
+      end
+
+      it_behaves_like 'cinder::backend::dellemc_powermax_iscsi'
+    end
+  end
+end
diff --git a/spec/defines/cinder_backend_dellemc_vmax_spec.rb b/spec/defines/cinder_backend_dellemc_vmax_spec.rb
deleted file mode 100644
index 169c621d..00000000
--- a/spec/defines/cinder_backend_dellemc_vmax_spec.rb
+++ /dev/null
@@ -1,65 +0,0 @@
-require 'spec_helper'
-
-describe 'cinder::backend::dellemc_vmax_iscsi' do
-  let (:title) { 'dellemc_vmax_iscsi' }
-
-  let :req_params do
-    {
-      :cinder_emc_config_file => '/etc/cinder/cinder_emc_config_CONF_GROUP_ISCSI.xml',
-      :volume_backend_name    => 'dellemc_vmax_iscsi',
-    }
-  end
-
-  let :params do
-    req_params
-  end
-
-  shared_examples 'cinder::backend::dellemc_vmax_iscsi' do
-    context 'dell emc vmax iscsi volume driver' do
-      it {
-        should contain_package('pywbem').with(:ensure => :present)
-        should contain_cinder_config('dellemc_vmax_iscsi/volume_driver').with_value('cinder.volume.drivers.dell_emc.vmax.iscsi.VMAXISCSIDriver')
-        should contain_cinder_config('dellemc_vmax_iscsi/cinder_emc_config_file').with_value('/etc/cinder/cinder_emc_config_CONF_GROUP_ISCSI.xml')
-      }
-    end
-
-    context 'dell emc vmax iscsi backend overriding some parameters' do
-      before :each do
-        params.merge!({
-         :backend_availability_zone => 'my_zone',
-         :manage_volume_type        => true,
-        })
-      end
-
-      it {
-        should contain_cinder_config('dellemc_vmax_iscsi/cinder_emc_config_file').with_value('/etc/cinder/cinder_emc_config_CONF_GROUP_ISCSI.xml')
-        should contain_cinder_config('dellemc_vmax_iscsi/backend_availability_zone').with_value('my_zone')
-      }
-
-      it { should contain_cinder_type('dellemc_vmax_iscsi').with(
-        :ensure     => 'present',
-        :properties => ['volume_backend_name=dellemc_vmax_iscsi']
-      )}
-    end
-
-    context 'dell emc vmax iscsi backend with additional configuration' do
-      before :each do
-        params.merge!( :extra_options => {'dellemc_vmax_iscsi/param1' => {'value' => 'value1'}} )
-      end
-
-      it { should contain_cinder_config('dellemc_vmax_iscsi/param1').with_value('value1') }
-    end
-  end
-
-  on_supported_os({
-    :supported_os => OSDefaults.get_supported_os
-  }).each do |os,facts|
-    context "on #{os}" do
-      let (:facts) do
-        facts.merge!(OSDefaults.get_facts())
-      end
-
-      it_behaves_like 'cinder::backend::dellemc_vmax_iscsi'
-    end
-  end
-end